7944085329 has 16 divisors (see below), whose sum is σ = 11219772672. Its totient is φ = 4982482688.

The previous prime is 7944085319. The next prime is 7944085343. The reversal of 7944085329 is 9235804497.

It is a cyclic number.

It is not a de Polignac number, because 7944085329 - 2⁹ = 7944084817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (7944085309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99067 + ... + 160319.

It is an arithmetic number, because the mean of its divisors is an integer number (701235792).

Almost surely, 2^7944085329 is an apocalyptic number.

It is an amenable number.

7944085329 is a deficient number, since it is larger than the sum of its proper divisors (3275687343).

7944085329 is a wasteful number, since it uses less digits than its factorization.

7944085329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63816.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 7944085329 is about 89129.5985012835. The cubic root of 7944085329 is about 1995.3295460028.

The spelling of 7944085329 in words is "seven billion, nine hundred forty-four million, eighty-five thousand, three hundred twenty-nine".